code: def action_spec(self) -> specs.BoundedArray:
      return specs.BoundedArray(
          (4,),
          np.float32,
          np.full((4,), -1.0, dtype=np.float32),
          np.full((4,), 1.0, dtype=np.float32),
      )
  
imports: import collections
  from typing import Callable, Mapping
  from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  from dm_control import suite
  from dm_control.rl import control
  import dm_env
  from dm_env import specs
  from dopamine.labs.sac_from_pixels import deepmind_control_lib
  import numpy
label_desc: Use image node_id 2 for calling the MockDeepmindControlSuiteEnvironment obj's underlying member method code with example usage: obj.action_spec() and returns: specs